6987890

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1097}}^1$

素因数の和:1131

約数の個数: 48

約数和(自身を含む): 15771672

約数和(自身を除く): 8783782

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 91, 98, 130, 182, 245, 455, 490, 637, 910, 1097, 1274, 2194, 3185, 5485, 6370, 7679, 10970, 14261, 15358, 28522, 38395, 53753, 71305, 76790, 99827, 107506, 142610, 199654, 268765, 499135, 537530, 698789, 998270, 1397578, 3493945, 6987890]

約数ペア:

[(1, 6987890), (2, 3493945), (5, 1397578), (7, 998270), (10, 698789), (13, 537530), (14, 499135), (26, 268765), (35, 199654), (49, 142610), (65, 107506), (70, 99827), (91, 76790), (98, 71305), (130, 53753), (182, 38395), (245, 28522), (455, 15358), (490, 14261), (637, 10970), (910, 7679), (1097, 6370), (1274, 5485), (2194, 3185)]